Xerox Phaser 3140, Руководство по обслуживанию

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5-14 Phaser 3140/3155/3160 Printer Service Manual
Print-Quality Troubleshooting
Background Contamination
There is toner contamination on all or most of the page. The contamination
appears as a very light gray dusting. The Print Cartridge is designed to print 2,000
sheets at 5% coverage. If prints typically are below 5% coverage, background
contamination can occur.
Initial Actions
• Check the paper transfer path.
• Ensure there is no debris in the transfer path.
Troubleshooting Reference Table
Applicable Parts Example Print
■
Power Supply Board, PL1.0.1
■
Transfer Roller, PL1.0.8
■
Print Cartridge, PL1.1.12
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the paper condition.
Is the paper dry, a recommended
type, and loaded in the correct
position? Go to step 2. Replace the
paper.
2 Print out the Supplies Information
Report (page 4-2), and check usage
patterns.
Does the typical print have less than
5% coverage? Go to step 3. Go to step 4.
3 Check the Print Cartridge. Is the
Print Cartridge at or near end of life? Replace the
Print Cartridge
(page 8-51). Go to step 4.
4 Check the Transfer Roller movement.
Does the Transfer Roller rotate
smoothly? Go to step 5. Clean the
Transfer Roller
bushings.
Background Contamination
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